# -*- coding:UTF-8 -*-

from captcha.image import ImageCaptcha
import random


def image_code():
    item_list = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
                 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
                 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't',
                 'u', 'v', 'w', 'x', 'y', 'z','A', 'B', 'C', 'D',
                 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N',
                 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z']

    chars = ''
    for i in range(4):
        chars += item_list[random.randint(0, 62)]
    image = ImageCaptcha().generate_image(chars)
    return chars, image
